<template>
  <span :class="`${prefixCls}__extra-fold`" @click="handleFold">
    <Icon :icon="getIcon" />
  </span>
</template>
<script lang="ts">
import { defineComponent, unref, computed } from 'vue';
import Icon from '@/components/Icon/Icon.vue';

import { useDesign } from '@/hooks/web/useDesign';
import { useHeaderSetting } from '@/hooks/setting/useHeaderSetting';
import { useMenuSetting } from '@/hooks/setting/useMenuSetting';
import { triggerWindowResize } from '@/utils/event';

export default defineComponent({
  name: 'FoldButton',
  components: { Icon },
  setup() {
    const { prefixCls } = useDesign('multiple-tabs-content');
    const { getShowMenu, setMenuSetting } = useMenuSetting();
    const { getShowHeader, setHeaderSetting } = useHeaderSetting();

    const getIsUnFold = computed(() => !unref(getShowMenu) && !unref(getShowHeader));

    const getIcon = computed(() => (unref(getIsUnFold) ? 'codicon:screen-normal' : 'codicon:screen-full'));

    function handleFold() {
      const isUnFold = unref(getIsUnFold);
      setMenuSetting({
        show: isUnFold,
        hidden: !isUnFold,
      });
      setHeaderSetting({ show: isUnFold });
      triggerWindowResize();
    }

    return { prefixCls, getIcon, handleFold };
  },
});
</script>
